diff options
| author | Tomasz Figa <t.figa@samsung.com> | 2013-05-16 11:57:08 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-05-28 20:06:39 +0300 |
| commit | 0aa823a2ca02cd21c587713e8195a2ffb8bd7872 (patch) | |
| tree | 74f6e7bdbc4a60f899d0bb504593fe1dab7cc8a3 /drivers/usb/phy/phy-samsung-usb2.c | |
| parent | 87331b069761a292c7d832fc3bb34cde56418982 (diff) | |
usb: phy: samsung: Consolidate reference clock rate handling
This patch cleans up handling of reference clock rate in Samsung USB PHY
drivers. It is mostly a cosmetic change but improves error handling in
case of failing to get reference clock or invalid clock rate.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/phy/phy-samsung-usb2.c')
| -rw-r--r-- | drivers/usb/phy/phy-samsung-usb2.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/phy/phy-samsung-usb2.c b/drivers/usb/phy/phy-samsung-usb2.c index 9d5e273abcc..be6031d50a6 100644 --- a/drivers/usb/phy/phy-samsung-usb2.c +++ b/drivers/usb/phy/phy-samsung-usb2.c @@ -408,7 +408,10 @@ static int samsung_usb2phy_probe(struct platform_device *pdev) sphy->phy.label = "samsung-usb2phy"; sphy->phy.init = samsung_usb2phy_init; sphy->phy.shutdown = samsung_usb2phy_shutdown; - sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy); + + sphy->ref_clk_freq = samsung_usbphy_get_refclk_freq(sphy); + if (sphy->ref_clk_freq < 0) + return -EINVAL; sphy->phy.otg = otg; sphy->phy.otg->phy = &sphy->phy; @@ -438,18 +441,21 @@ static int samsung_usb2phy_remove(struct platform_device *pdev) static const struct samsung_usbphy_drvdata usb2phy_s3c64xx = { .cpu_type = TYPE_S3C64XX, .devphy_en_mask = S3C64XX_USBPHY_ENABLE, + .rate_to_clksel = samsung_usbphy_rate_to_clksel_64xx, }; static const struct samsung_usbphy_drvdata usb2phy_exynos4 = { .cpu_type = TYPE_EXYNOS4210, .devphy_en_mask = EXYNOS_USBPHY_ENABLE, .hostphy_en_mask = EXYNOS_USBPHY_ENABLE, + .rate_to_clksel = samsung_usbphy_rate_to_clksel_64xx, }; static struct samsung_usbphy_drvdata usb2phy_exynos5 = { .cpu_type = TYPE_EXYNOS5250, .hostphy_en_mask = EXYNOS_USBPHY_ENABLE, .hostphy_reg_offset = EXYNOS_USBHOST_PHY_CTRL_OFFSET, + .rate_to_clksel = samsung_usbphy_rate_to_clksel_4x12, }; #ifdef CONFIG_OF |